Sn0wbreeze 2.2 R1 will allow users to play Pacman game while cooking a custom iOS 4.2.1 firmware. iH8sn0w, the developer behind Sn0wbreeze just posted a video of Snowbreeze 2.2 showing how you can switch between iPSW building screen and Pacman anytime.
This update will also bring a new “Baseband Preservation Mode” in addition to Simple Mode and Expert Mode.
Baseband Preservation mode is very helpful for those users who rely on unlock and want to update their devices to latest iOS version while keeping the current baseband intact.
For those who are new to jailbreaking and unlocking, Snowbreeze is a tool just like PwnageTool for iPhone, iPad, and iPod Touch devices which can be used to build custom iOS firmware by modifying the pre-installed packages, adding custom software and by changing the bootlogo. However Snowbreeze is compatible with Windows Operating System only while Pwangetool works on Mac OS X.
Here is the actual video: